1. Impact of Covid-19 pandemic on vegetable farmers in North Sumatra. Issue 2 (July 2021) Authors: Girsang, Moral Abadi; Marpaung, Imelda; Parhusip, D; Haloho, L; Tobing, S P; Nainggolan, P; Hidayat, S Journal: IOP conference series Issue: Volume 807:Issue 2(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The effect of fertilization and variety on maize productivity in two tillage systems in North Sumatra. Issue 4 (July 2021) Authors: Girsang, S S; Manurung, E D; Parhusip, D Journal: IOP conference series Issue: Volume 807:Issue 4(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗